R2 Performance Package for CLS 63 (C219- 571 HP / 523 LB-FT) mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 Rated by RENNtech: 435 HP

Rated by RENNtech:               435 HP @ 5

CLASS S LONG (W 221) 450 4-matic [2 Filters Required] (HP: 340 | Year: 06 > )

CLASS S LONG (V 220) 430 V8 [7 gear] [2 Filters Required] (HP: 279 | Year: 03 > 05)

CLASS E SW (S 210) 430 (HP: 279 | Year: 97 > 99)

ECU Upgrade | 480HP/ 605LB-FT | Gains: +45HP / +162LB-FT

R2 Performance Package for CLS 63 (C219- 571 HP / 523 LB-FT) mercedes-benz-cls-class--218---2015-2018--cls-550-biturbo-esr2270978 Rated by RENNtech: 435 HPR2 Performance Package for 219 CLS 63 AMG. Includes ECU Upgrade, Carbon Fiber Air Box, Upgraded Throttle Body and Stainless Steel HEaders. Up to 571HP and 523LB FT. Gains: +64HP & +58LB FT RENNtech performance package 2 includes our proprietary ECU tune in addition to our full carbon fiber airbox, 82mm throttle body kit and RENNtech stainless steel headers for a gain of +64 HP and +58 LB FT over stock. Performance Package 2 Includes: RENNtech ECU